C cos() Function

C cos() Function

The cos() function returns the cosine of the given number.

This function is defined in <math.h> header file.

Example

C Compiler
#include <stdio.h> #include <math.h> int main() { printf("%lf", cos(3)); return 0; }

Syntax

cos(data_type x)

Parameter Values

ValueTypeExplanation
xRequiredSpecifies a number.

Return Value

ValueExplanation
NumberReturns the cosine of the given number between -1 and 1 for any given number.

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